Storm Drain Art

storm drain art

Storm Drain Art. image from : secretsocietynyc.wordpress.com

Environmental Noise – Noise Sources

Environmental Noise - Noise Sources

Surface motor vehicles, including automobiles, trucks and motorcycles, produce approximately 85 percent of all intrusive environmental noise. Hydraulic jackhammers and other construction equipment are important sources of noise. In the year 2010 the geographic extent of noise intrusion continues to reach new highs, as motor vehicle use continues to expand into previously quiet areas of […]

Sewer

Sewer

Sewer. image from :  sunyit.edu